The population of a city increases by 10% annually. If its present population is 21,000,what will be the population in 3 years?

27951 27981 27971 27961

27951

According to question , Population in 3 years = 21000 × \(\frac{110}{100}\) × \(\frac{110}{100}\) × \(\frac{110}{100}\) = 21 × 11 × 11 × 11 = 27951